stem cellsGearWhat Are Exosomes, and Why Are They in Your Skin Care?By Boutayna Chokrane ScienceSperm Stem Cells Were Used for the First Time in an Attempt to Restore FertilityBy Emily MullinScienceThese Stem Cell Treatments Are Worth Millions. Donors Get Paid $200By Matt ReynoldsScienceBone Marrow Donors Can Be Hard to Find. One Company Is Turning to CadaversBy Emily MullinScienceScientists Just Tried Growing Human Kidneys in PigsBy Emily MullinScienceA Patient May Be Free of HIV, Thanks to This DrugBy Emily MullinScience‘Embryo Models’ Challenge the Legal, Ethical, and Biological Concepts of an ‘Embryo’By Philip BallScienceAn Ancient Battle Is Playing Out in the DNA of Every EmbryoBy Celia FordScienceA Hair Loss Study Raises New Questions About Aging CellsBy Max G. LevyScienceStem Cell ‘Junk Yards’ Reveal a New Clue About AgingBy Max G. LevyScienceScientists Turned Monkey Stem Cells Into ‘Synthetic Embryos’By Emily MullinScienceA Gene Therapy Cure for Sickle Cell Is on the HorizonBy Emily MullinScienceThis Lab-Grown Skin Could Revolutionize TransplantsBy Max G. LevyIdeasYes, Lab-Grown Meat Is VeganBy Jude WhileyScienceScientists Grew Mini Human Guts Inside MiceBy Emily MullinScienceEmbryonic Research Could Be the Next Target After RoeBy Matt ReynoldsScienceA Twist on Stem Cell Transplants Could Help Blood Cancer PatientsBy Max G. LevyIdeasLab-Grown Embryo Research Is Poised to Transform MedicineBy Naomi MorisIdeasCan Brain Organoids Be ‘Conscious’? Scientists May Soon Find OutBy Anil SethThe Big StoryHow Fringe Stem Cell Treatments Won Allies on the Far RightBy Lindsay GellmanScienceHow to Be Humane to a Lab-Grown BrainBy Jordana CepelewiczScienceYouTube Testimonials Lure Patients to Shady Stem-Cell ClinicsBy Megan MolteniScienceThe Gene Mutation That Could Cure HIV Has a Checkered PastBy Megan MolteniScienceTo Heal Wounds, Cells Time-Travel Back to a Fetal StateBy Jordana CepelewiczMore Stories